Which of the following is a flow variable?

In the United States, the temporary tax surcharge of 1968

A) actually increased consumer spending. B) decreased consumer spending by more than was originally estimated. C) had no impact on consumer spending. D) decreased consumer spending by less than was originally estimated.

The unemployment rate is defined as: a. unemployed workers plus discouraged workers, divided by the total population over the age of sixteen. b. part-time workers plus full-time workers, divided by the total population over the age of sixteen

c. the percentage of the labor force that is unemployed. d. the percentage of the population over the age of sixteen that is unemployed.